Reference for Bava Metzia 35:4
אלא אביי מגופה דמתני' קא הדר ביה דאי ס"ד במקום שאין כותבין כתובה עסקינן דגט היינו כתובתה אטו גט מנה מאתים כתיב ביה
In similar circumstances the woman is not deemed a mourner and is not obliged to defile herself<span class="x" onmousemove="('comment',' The laws of defilement do not apply to a woman, whether she be the wife or the daughter of a priest (as the text speaks of 'the sons of Aaron', not the daughters or wives). On the other hand it is the duty of both men and women, whether of priestly descent or not, to attend to the burial of their dead relations, but betrothal does not constitute relationship in this respect, and there is no obligation on the part of a woman (or a man) to attend to the burial of her (or his) betrothed. ');"><sup>4</sup></span>